On a new trematode, Haplorchis solus, from the intestine of a green tree snake Dryophis mycterizans, from Hyderabad, India
Shyam Sunder Simha
A note on the genus Xenopharynx Nicoll, 1912, with a key to the species
A Key to the Parasitic Euglossine Bees and a New Species of Exaerete from Mexico (Hymenoptera-Apoidea)
J. S. Moure
La fauna quiróptera del Departamento de Cundinamarca, Colombia
Darío Valdivieso
A note on Kohlsia graphis erana from Costa Rica
Keith Arnold, Robert J. Tonn
Efecto de los cambios de temperatura sobre las frecuencias cardíaca y respiratoria del lagarto ( Alligator mississipiensis)
Víctor MI Campos
Seasonal incidence of larval Trematodes in Costa Rica
R. J. Tonn, G. W. Hunter, M. Alfaro, J. A. Zúñiga, Donna L. Redmond
Contribución al estudio fitoquímico de plantas costarricenses. I. Análisis Alcaloidal
José A. Sáenz R.
Schwartzitrema anhingi sp. nov. from the Indian Darter, Anhinga melanogaster Pennant, with a remark on the taxonomic position of the genus Schwartzitrema (Vigueras, 1940) Vigueras, 1941 (Trematoda: Strigeidae)
Ramesh Kumar Gupta
Four new species of the genus Holostephanus Szidat, 1936 from Indian birds, with a brief review of the genus (Trematoda: Cyathocotylidae)
A new aquatic snail of the family Amnicolidae from Costa Rica
Fred G. Thompson
Bats of the Bogota Savanna, Colombia, with Notes on Altitudinal Distribution of Neotropical Bats
J. R. Tamsitt, Darío Valdivieso, Jorge Hernández Camacho
Notes on a primitive stingless bee, Trigona ( Nogueirapis ) mirandula
Alvaro Wille
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